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Hi can someone help me with these Mechanical Eng question.i am super lost. sorryand thank you in advance

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Tutorial6.1 Newton's First Law(1) (1) - Protected View - Saved to this PC
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Std No.:
Group:
Name:
Std No.:
Group
Mechanical Engineering Fundamentals
38MEF
Mechanical Engineering Fundamentals
38MEF
NGEE ANN POLYTECHNIC
4. Block A of mass 80 kg is connected to Block B of unknown mass via a light cable, which
SCHOOL OF ENGINEERING
runs over a light and smooth pulley. Determine the tension, T, in the cable and the mass of
MECHANICAL ENGINEERING FUNDAMENTALS
Block B, Mb, such that Block A will have an impending motion up the inclined plane.
I = 379 N
Tutorial 6.1: Newton's First Law (Equilibrium of a Particle)
Mo = 38.6 kg
1. Determine the magnitude and direction of the force exerted by the silver car in order to
80 kg
prevent the black car from moving
F; = 415 [KN]
Mokg
0 = 34.09
180 kN
5. Two blocks A and B of masses 60 kg and 100 kg, respectively, are positioned on a plane,
which is inclined at 30 to the horizontal, as shown in the figure. Block A is prevented
from moving by a wire attached to a wall. A force P, parallel to the inclined plane, is
250 KN
applied to Block B. The coefficient of static friction between the contacting surfaces are as
shown in the figure.
200 KN
Assuming that motion is impending,
P = 121 N
a) Draw the free body diagrams of Blocks A and B.
T = 498 N
2. A block weighing 120 kg is subjected to two forces as shown. Determine the unknown
b) Determine the value of P at impending motion.
force P necessary to cause an impending motion of the block to the left.
c) Determine the tension T in the wire at impending motion.
130 N
P = 488 N
H = 0.4
120 kg
H = 03
H =03
302
3. A block of mass M is placed on a 30 inclined plane as shown. It is subjected to a force of
100 N parallel to the plane. Determine the value of M, in kg, such that the 100 N force is
able to cause the block to have an impending motion up the inclined plane.
100 N
M = 13.7 kg
End
M kg
-30
H = 0.28
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